* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

li {
  list-style: none;
}

a {
  color: #000;
  text-decoration: none;
}

img {
  display: block;
}

.row {
  width: 1000px;
}

.autorow {
  width: 100%;
}

.autoheight {
  height: 100%;
}

.all-flex {
  display: flex;
  align-items: center;
}

.flex {
  display: flex;
}

.flex-c {
  flex-direction: column;
}

.jf-between {
  justify-content: space-between;
}

.jf-evenly {
  justify-content: space-evenly;
}

.jf-center {
  justify-content: center;
}

.jf-end {
  justify-content: end;
}

.jf-around {
  justify-content: space-around;
}

.automargin {
  margin: 0 auto;
}

.fs10 {
  font-size: 10px;
}

.fs12 {
  font-size: 12px;
}

.fs14 {
  font-size: 14px;
}

.fs15 {
  font-size: 15px;
}

.fs16 {
  font-size: 16px;
}

.fs17 {
  font-size: 17px;
}
.fs24{
  font-size: 24px;
}
.fs30 {
  font-size: 30px;
}
.fs33{
  font-size: 33px;
}
.fs36 {
  font-size: 36px;
}
.fs50{
  font-size: 50px;
}

.common-ff {
  color: #fff;
}

.common-fd {
  color: #fdeda9;
}

.common-b8 {
  color: #b8b8b8;
}

.common-98 {
  color: #989898;
}

.common-bb {
  color: #bbbbbb;
}

.common-5b {
  color: #5b5b5b;
}

.common-f6 {
  color: #f6ce2a;
}

.common-ac {
  color: #acacac;
}

.w500ah {
  width: 500px;
  height: 100%;
}

.center {
  text-align: center;
}

/* header */
header {
  height: 110px;
}

#header {
  height: 110px;
  padding: 0 50px;
}

#header-nav,
.nav-items {
  width: 580px;
  height: 100%;
}

.nav-item {
  position: relative;
}

.nav-item a::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, 20px);
  display: none;
  width: 45px;
  height: 2px;
  background-color: #f5de5a;
}

#header .nav-items .nav-item a:hover::after {
  display: block;
}

/* banner */
.banner {
  height: 500px;
  background-color: #f6ce2a;
}

#banner {
  position: relative;
  height: 500px;
}

.item-content {
  color: #fff;
}

.item-content p:nth-child(2) {
  margin-bottom: 20px;
}

.item-content p:nth-child(4) {
  margin-bottom: 24px;
}

.item-content .more {
  display: block;
  width: 140px;
  height: 50px;
  border: 2px solid #fff;
  text-align: center;
  line-height: 50px;
}

.banner-btn-items {
  position: absolute;
  bottom: 30px;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 150px;
  height: 8px;
}

.banner-btn-items .banner-btn-item {
  width: 40px;
  height: 100%;
  background-color: rgb(255, 255, 204, .5);
}

.banner-btn-items .banner-btn-item:nth-child(1) {
  background-color: rgb(255, 255, 204);
}

/* main */
.main-item {
  height: 450px;
}

.main-item-content h4 {
  position: relative;
  font-weight: normal;
}

.main-item-content h4::after {
  position: absolute;
  content: '';
  bottom: -15px;
  left: 5px;
  width: 120px;
  height: 3px;
  background-color: #f6ce2a;
}

.main-item-content p:nth-child(2) {
  margin-top: 32px;
}

.main-item-content p:nth-child(3) {
  margin-top: 28px;
}

.main-item:nth-child(2n) {
  background-color: #f3f3f3;
}

/* menus */
.menus {
  height: 450px;
}

.menu-item-content {
  margin-top: 40px;
}

.menu-item-content p:nth-child(1) {
  margin-bottom: 15px;
}

/* footer */
footer {
  height: 335px;
  background-color: #333333;
}

.footer-item {
  position: relative;
  width: 360px;
}
.footer-phone{
  position: absolute;
  top: -15px;
  left: -30px;
  width: 285px;
  height: 350px;
  background-color: #f6ce2a;
  color: #fff;
  padding: 35px 0 0 32px;
}
.footer-phone::after{
  content: '';
  position: absolute;
  top: 0;
  right: -15px;
  display: block;
  width: 0;
  height: 0;
  /* border: 10px solid transparent; */
  border-left: 15px solid #cfaa13;
  border-top: 15px solid transparent;
  border-right: transparent;
  border-bottom: transparent;

}
.footer-phone h2{
  position: relative;
}
.footer-phone h2::after{
  content: '';
  position: absolute;
  bottom: 0;
  display: block;
  width: 40px;
  height: 3px;
  background-color: #fff;
}
.footer-phone p{
  margin:  8px 0;
}
.footer-content {
  width: 640px;

}
.footer-nav {
  width: 490px;
  height: 18px;
}
.footer-nav .nav-item {
  position: relative;
}
.footer-nav .nav-item::after {
  content: '';
  position: absolute;
  display: block;
  top: 50%;
  right: -35px;
  transform: translate(0, -50%) rotate(-45deg);
  width: 15px;
  height: 1px;
  background-color: #50504d;
}
.footer-nav .nav-item:last-child:after {
  display: none;
}
.footer-introduce {
  height: 70px;
  margin: 44px 0 30px 0;
  padding-left: 5px;
}
.mr5 {
  margin-right: 5px;
}
.mr4 {
  margin-right: 4px;
}
.footer-about {
  width: 440px;
  height: 30px;
  background-color: #2a2a2a;
  border-radius: 15px;
  padding: 0 5px;
  margin-left: 15px;
}